<template>
  <div class="login">
    <div class="login-box clearfix">
      <div class="fl"><img src="../assets/image/sign_pic.jpg"></div>
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form fl">
        <div class="title"></div>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="请输入用户名">
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="请输入密码"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" style="color: #CFCECE"/>
          </el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 44%"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode"/>
            <span class="get-code-btn" @click="getCode">换一张</span>
          </div>
        </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;font-size: 12px;">记住密码</el-checkbox>
        <el-form-item style="width:100%;">
          <el-button
            :loading="loading"
            round
            size="default"
            type="primary"
            style="width:100%;"
            @click.native.prevent="handleLogin"
          >
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
        </el-form-item>
      </el-form>
    </div>
    <!--  底部  -->
<!--    <div class="el-login-footer">-->
<!--      <span>Copyright © 2018-2019 ruoyi.vip All Rights Reserved.</span>-->
<!--    </div>-->
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "super",
        password: "123456",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" }
        ],
        password: [
          { required: true, trigger: "blur", message: "密码不能为空" }
        ],
        code: [{ required: true, trigger: "change", message: "验证码不能为空" }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/" });
            })
            .catch(() => {
              this.loading = false;
              this.getCode();
            });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-color: #EBF5FF;
  background-image: url("../assets/image/sign_pic_bg_down.jpg"), url("../assets/image/sign_pic_bg_top.png");
  background-repeat: no-repeat, no-repeat;
  background-position: bottom center, top center;
}
.title {
  margin: 0px auto 30px auto;
  width: 240px;
  height: 41px;
  background: url("../assets/image/sign_logo.png") no-repeat center;
}

.login-form {
  background: #ffffff;
  width: 460px;
  height: 500px;
  padding: 53px 80px 97px;
  .el-input {
    height: 42px;
    input {
      height: 42px;
    }
  }
  .input-icon {
    /*height: 39px;*/
    width: 14px;
    margin-left: 2px;
  }
  // 登录按钮样式重写
  /*.el-button--primary {*/
  /*  background-color: #CCCCCC;*/
  /*  border-color: #CCCCCC;*/
  /*}*/
  /*.el-button--primary:hover, .el-button--primary:focus {*/
  /*  background-color: #E7E6E6;*/
  /*}*/

  // 记住密码样式重写
  .el-checkbox .el-checkbox__inner {
    width: 12px;
    height: 12px;
  }
  .el-checkbox .el-checkbox__label {
    font-size: 12px;
    color: #222222;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  /*width: 33%;*/
  height: 38px;
  float: right;
  .get-code-btn {
    font-size: 12px;
    cursor: pointer;
  }
  img {
    padding: 0 4px;
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
</style>
